procambiumWiktionary 原文英美构词拆解propro-前缀cambiumcambium词干pro-agreeing with; supporting; favouring · substituting for词源说明From pro- + cambium.释义名词noun1(botany) A meristem that lies just inside the protoderm and develops into primary xylem and primary phloem同族词派生词 1procambial